cz.lbenda.common.CharSequenceBinaryData.java Source code

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Here is the source code for cz.lbenda.common.CharSequenceBinaryData.java

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/*
 * Copyright 2014 Lukas Benda <lbenda at lbenda.cz>.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cz.lbenda.common;

import org.apache.commons.io.input.CharSequenceReader;
import org.apache.commons.io.input.ReaderInputStream;

import java.io.InputStream;
import java.io.Reader;

/** Created by Lukas Benda <lbenda @ lbenda.cz> on 26.9.15.
 * Binary implementation of binary data which is in memory */
public class CharSequenceBinaryData implements BinaryData {

    public static CharSequenceBinaryData NULL = new CharSequenceBinaryData("NULL", null);

    private CharSequence charSequence;
    private String name;

    public CharSequenceBinaryData(String name, CharSequence charSequence) {
        this.name = name;
        this.charSequence = charSequence;
    }

    @Override
    public String getName() {
        return name;
    }

    @Override
    public InputStream getInputStream() {
        return new ReaderInputStream(getReader());
    }

    @Override
    public Reader getReader() {
        return new CharSequenceReader(charSequence);
    }

    @Override
    public boolean isText() {
        return true;
    }

    @Override
    public boolean isLazyLoading() {
        return false;
    }

    @Override
    public long size() {
        if (charSequence == null) {
            return 0;
        }
        return charSequence.length();
    }

    @Override
    public boolean isNull() {
        return charSequence == null;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (!(o instanceof CharSequenceBinaryData))
            return false;

        CharSequenceBinaryData that = (CharSequenceBinaryData) o;

        return !(charSequence != null ? !charSequence.equals(that.charSequence) : that.charSequence != null)
                && !(name != null ? !name.equals(that.name) : that.name != null);

    }

    @Override
    public int hashCode() {
        int result = charSequence != null ? charSequence.hashCode() : 0;
        result = 31 * result + (name != null ? name.hashCode() : 0);
        return result;
    }
}